a {
    text-decoration: none;
}

.big-box {
    width: 100%;
    min-height: 800px;
    height: auto;
    background: url(https://img.fishfay.com/theme/images/antacn/login/login-01.jpg) no-repeat;
    background-size: 100% auto;
}

.box {
    box-sizing: border-box;
    background-color: #fff;
    width: 500px;
    margin: 30px 100px 50px auto;
    float: right;
    position: relative;
    padding: 0 20px 30px;
    min-height: 500px;
}

.small_box {
    padding: 45px 0 10px 20px;
    text-align: center;
}

.small_inner,
.small_inner a {
    display: inline-block;
    width: 100%;
}

.small_inner a.active {
    background: #000;
    color: #fff;
}

.small_inner a:first-child {
    border-bottom-left-radius: 0;
    border-top-left-radius: 0;
}

.small_inner a {
    width: 50%;
    background: #fbfbfb;
    height: 35px;
    line-height: 35px;
    font-size: 14px;
    color: #999;
    float: left;
    position: relative;
}

.box-bot {
    width: 100%;
    height: 300px;
    /* background-color: pink; */
    padding: 0 20px;
}

.inputbg {
    padding: 0 0 15px;
}

#username {
    width: 358px;
    height: 40px;
}

#userpass {
    width: 231px;
    height: 40px;
}

#captcha-img {
    margin-left: 7px;
    display: block;
    width: 120px;
    height: 36px;
}


/* #user-3 {
    font-size: 13px;
} */

.input-2 {
    font-size: 13px;
}

.input-3 {
    width: 360px;
    height: 46px;
    margin-top: 20px;
    background-color: #000;
    color: white;
}


/* .input-1 {
    width: 358px;
    height: 40px;
} */